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TMC2209 Stepper Drivers with large red heatsink from Panucatt Devices. The SD2209 features a clear top area making heat sinking easier and more efficient. Main chip is mounted on the bottom to expose the bottom heat pad to the top area using via stitching.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.